Neustadt, L. W. (1976). Optimization: A theory of necessary conditions. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Neustadt, Lucien W. Optimization: A Theory of Necessary Conditions. Princeton, N.J: Princeton University Press, 1976.
Lua MLA (9ú heag.)Neustadt, Lucien W. Optimization: A Theory of Necessary Conditions. Princeton University Press, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.